Update backbone/backbone.d.ts

Removing getByCid which was removed 0.9.9
Merge pull request #235 from ProVega/master

getByCid is gone
jQuery.cycle definitions file.
Fixed return type of basic overload.
Added leaflet.js definition
Merge pull request #237 from rgripper/master

Leaflet.js 0.5 definition
Update readme
Merge pull request #236 from Strato/fguillot-master

jQuery.cycle definitions file.
Update readme